header
{
 background-color: yellow; 
}

#menuSite
{
background-color: brown;	
}

#presentation
{
  margin: 200px
}


#menuEquipement
{  
 position: relative; 
 background-color: blue; 
 margin: 50px 0px;
 margin-right: 1100px
  
}

form
{
 background-color: green;
 position: absolute; 
 margin: 100px 500px; 
}

footer
{  
  background-color: red; 
  position: relative; 
  margin: 100px 0px; 
  
}